长期GPS载波相位时传递噪声:基于NIST 7台GPS接收机的研究

2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI:10.1109/FCS.2016.7546777

J. Yao, J. Levine

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引用次数: 3

摘要

本文报道了基于NIST 7台GPS接收机的长期GPS载波相位时传递噪声的初步研究。我们发现，使用任意两个GPS接收机在100天内的载波相位时传递结果的差异在大多数情况下可以变化~ 0.5 ns(峰对峰)，在某些极端情况下可以变化~ 1.3 ns(峰对峰)。这表明需要更频繁的GPS校准来达到亚纳秒级的GPS授时精度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Long-term GPS carrier-phase time transfer noise: A study based on seven GPS receivers at NIST

This paper reports a preliminary study of the long-term GPS carrier-phase time transfer noise, based on seven NIST GPS receivers. We find that the difference in carrier-phase time-transfer result using any two GPS receivers over 100 days can change by ~ 0.5 ns (peak-to-peak) in most cases and by ~ 1.3 ns (peak-to-peak) in some extreme cases. This suggests that a more frequent GPS calibration is needed to achieve sub-nanosecond GPS timing accuracy.

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2016 IEEE International Frequency Control Symposium (IFCS)

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